IOTA/IOTA-ES occultation update for (680) Genoveva / TYC 0613-00471-1 event on 2023 Jan 17, 01:18 UT Visible from South America Summary ------- On 2023 Jan 17 UT, the 85.5 km diameter asteroid (680) Genoveva will occult a 10.6 mag star in the constellation Pisces for observers along a path across South America. In the case of an occultation, the combined light of the asteroid and the star will drop by 5.00 mag to 15.55 mag (the magnitude of the asteroid) for at most 4.500 seconds. This update is based on, astrometry for the asteroid kindly provided by the IAU Minor Planet Center. This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The event at a glimpse ---------------------- * Rank: 100 * date and approx. time of event: 2023 Jan 17, 01:12 - 2023 Jan 17, 01:22 * geocentric midpoint of event [JD]: 2459961.55402829 * magnitude of target star: 10.56 * magnitude drop [mag]: 5.00 * estimated maximum duration [s]: 4.500 * Moon: 29 % sunlit, 149° distance * Sun: 84° distance * rough path description: South America The occultation path -------------------- * approximate projected width [km]: 96 * 1 sigma uncertainty interval [path widths]: +/- 0.08 * 1 sigma uncertainty interval [seconds]: +/- 1.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.009, +/- 0.008) * 1 sigma uncertainty ellipse (major, minor, PA): (0.012", 0.003", 47°) * approx speed of asteroid's shadow [km/s]: 19.0130 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 0613-00471-1 by 680 Genoveva on 2023 Jan 17 Centre Star Star Sun Path Limits Error Limits Alt E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 Crn o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Longitude Longitude Longitude Longitude .. .. .. -63 0 0 .. .. .... .. .. .. 172 15 53 ... .. .. 172 42 54 ... .. .. .... 175 29 6 -62 0 0 1 12 51.1 2 68 48 177 58 41 172 48 0 178 20 52 172 21 56 .... -179 26 49 -61 0 0 1 12 52.2 5 64 48 -177 18 34 178 18 6 -176 59 21 177 56 35 0.36 Latitude Latitude Latitude Latitude -179 0 0 -60 54 10 1 12 52.3 5 63 48 -61 22 40 -60 25 47 -61 27 5 -60 21 26 0.48 -178 0 0 -60 40 47 1 12 52.7 6 62 48 -61 9 25 -60 12 16 -61 13 51 -60 7 53 0.47 -177 0 0 -60 26 55 1 12 53.0 6 61 48 -60 55 42 -59 58 16 -61 0 9 -59 53 52 0.47 -176 0 0 -60 12 35 1 12 53.5 7 61 48 -60 41 31 -59 43 48 -60 45 59 -59 39 23 0.48 -175 0 0 -59 57 46 1 12 53.9 7 60 48 -60 26 51 -59 28 50 -60 31 20 -59 24 24 0.48 -174 0 0 -59 42 28 1 12 54.4 8 59 48 -60 11 41 -59 13 23 -60 16 12 -59 8 55 0.48 -173 0 0 -59 26 39 1 12 54.9 8 58 48 -59 56 1 -58 57 25 -60 0 33 -58 52 56 0.48 -172 0 0 -59 10 19 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0.50 -147 0 0 -49 5 27 1 13 31.1 27 36 42 -49 39 17 -48 31 50 -49 44 31 -48 26 40 0.50 -146 0 0 -48 32 18 1 13 33.7 27 35 42 -49 6 18 -47 58 31 -49 11 34 -47 53 20 0.50 -145 0 0 -47 58 24 1 13 36.4 28 34 41 -48 32 34 -47 24 28 -48 37 51 -47 19 15 0.50 -144 0 0 -47 23 46 1 13 39.2 29 33 41 -47 58 5 -46 49 40 -48 3 23 -46 44 26 0.50 -143 0 0 -46 48 22 1 13 42.2 30 32 40 -47 22 50 -46 14 8 -47 28 10 -46 8 53 0.50 -142 0 0 -46 12 14 1 13 45.3 31 31 40 -46 46 51 -45 37 52 -46 52 12 -45 32 35 0.50 -141 0 0 -45 35 22 1 13 48.5 32 30 39 -46 10 7 -45 0 51 -46 15 29 -44 55 33 0.50 -140 0 0 -44 57 45 1 13 51.8 33 29 38 -45 32 38 -44 23 6 -45 38 1 -44 17 47 0.50 -139 0 0 -44 19 24 1 13 55.3 34 28 38 -44 54 25 -43 44 38 -44 59 50 -43 39 18 0.50 -138 0 0 -43 40 20 1 13 58.9 34 27 37 -44 15 28 -43 5 27 -44 20 54 -43 0 6 0.50 -137 0 0 -43 0 34 1 14 2.6 35 26 36 -43 35 48 -42 25 34 -43 41 15 -42 20 12 0.50 -136 0 0 -42 20 5 1 14 6.5 36 26 36 -42 55 25 -41 44 59 -43 0 53 -41 39 36 0.50 -135 0 0 -41 38 54 1 14 10.5 37 25 35 -42 14 21 -41 3 43 -42 19 50 -40 58 19 0.50 -134 0 0 -40 57 4 1 14 14.7 38 24 34 -41 32 35 -40 21 47 -41 38 5 -40 16 22 0.50 -133 0 0 -40 14 33 1 14 19.0 39 23 33 -40 50 10 -39 39 12 -40 55 41 -39 33 46 0.50 -132 0 0 -39 31 25 1 14 23.5 40 22 33 -40 7 6 -38 55 59 -40 12 37 -38 50 33 0.50 -131 0 0 -38 47 39 1 14 28.1 41 20 32 -39 23 24 -38 12 10 -39 28 56 -38 6 43 0.50 -130 0 0 -38 3 18 1 14 32.8 42 19 31 -38 39 6 -37 27 45 -38 44 38 -37 22 18 0.50 -129 0 0 -37 18 22 1 14 37.7 43 18 30 -37 54 13 -36 42 47 -37 59 46 -36 37 19 0.50 -128 0 0 -36 32 54 1 14 42.8 44 17 29 -37 8 47 -35 57 17 -37 14 20 -35 51 49 0.50 -127 0 0 -35 46 54 1 14 48.0 45 16 28 -36 22 49 -35 11 16 -36 28 22 -35 5 47 0.50 -126 0 0 -35 0 26 1 14 53.3 46 15 27 -35 36 21 -34 24 46 -35 41 54 -34 19 18 0.51 -125 0 0 -34 13 30 1 14 58.8 47 14 27 -34 49 25 -33 37 50 -34 54 59 -33 32 21 0.51 -124 0 0 -33 26 8 1 15 4.4 48 12 26 -34 2 3 -32 50 29 -34 7 37 -32 45 0 0.51 -123 0 0 -32 38 23 1 15 10.2 49 11 25 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21 31 1 19 44 2 25 55 0.53 - 73 0 0 2 19 17 1 20 43.8 46 279 -33 1 50 41 2 47 45 1 46 16 2 52 7 0.53 - 72 0 0 2 44 51 1 20 48.9 45 279 -34 2 16 23 3 13 10 2 11 59 3 17 32 0.53 - 71 0 0 3 9 37 1 20 54.0 44 278 -35 2 41 17 3 37 48 2 36 54 3 42 8 0.53 - 70 0 0 3 33 35 1 20 58.9 43 278 -36 3 5 23 4 1 39 3 1 1 4 5 58 0.53 - 69 0 0 3 56 45 1 21 3.8 42 277 -37 3 28 40 4 24 41 3 24 20 4 28 59 0.53 - 68 0 0 4 19 7 1 21 8.5 41 277 -39 3 51 10 4 46 57 3 46 51 4 51 13 0.53 - 67 0 0 4 40 42 1 21 13.1 40 277 -40 4 12 52 5 8 25 4 8 34 5 12 40 0.53 - 66 0 0 5 1 30 1 21 17.6 39 276 -41 4 33 46 5 29 6 4 29 29 5 33 20 0.53 - 65 0 0 5 21 30 1 21 22.0 38 276 -42 4 53 53 5 49 0 4 49 37 5 53 13 0.53 - 64 0 0 5 40 44 1 21 26.2 37 276 -43 5 13 13 6 8 7 5 8 58 6 12 20 0.53 - 63 0 0 5 59 11 1 21 30.4 36 276 -44 5 31 46 6 26 28 5 27 32 6 30 40 0.53 - 62 0 0 6 16 51 1 21 34.4 35 276 -45 5 49 32 6 44 2 5 45 19 6 48 13 0.53 - 61 0 0 6 33 45 1 21 38.3 34 275 -46 6 6 31 7 0 51 6 2 19 7 5 1 0.53 - 60 0 0 6 49 52 1 21 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0.54 - 46 0 0 9 16 45 1 22 23.7 19 275 -61 8 50 27 9 42 57 8 46 23 9 46 58 0.54 - 45 0 0 9 21 43 1 22 25.8 18 276 -62 8 55 27 9 47 53 8 51 24 9 51 55 0.54 - 44 0 0 9 25 59 1 22 27.8 17 276 -63 8 59 44 9 52 7 8 55 41 9 56 8 0.54 - 43 0 0 9 29 31 1 22 29.7 16 276 -64 9 3 17 9 55 38 8 59 14 9 59 39 0.54 - 42 0 0 9 32 20 1 22 31.5 15 276 -64 9 6 7 9 58 26 9 2 4 10 2 26 0.54 - 41 0 0 9 34 25 1 22 33.2 14 276 -65 9 8 14 10 0 31 9 4 11 10 4 31 0.54 - 40 0 0 9 35 48 1 22 34.8 13 276 -66 9 9 38 10 1 53 9 5 35 10 5 53 0.54 - 39 0 0 9 36 29 1 22 36.2 12 276 -67 9 10 18 10 2 33 9 6 16 10 6 33 0.54 - 38 0 0 9 36 26 1 22 37.6 11 276 -68 9 10 16 10 2 30 9 6 13 10 6 30 0.54 - 37 0 0 9 35 40 1 22 38.9 10 277 -69 9 9 30 10 1 44 9 5 28 10 5 45 0.54 - 36 0 0 9 34 12 1 22 40.0 9 277 -69 9 8 2 10 0 17 9 3 59 10 4 17 0.54 - 35 0 0 9 32 2 1 22 41.0 9 277 -70 9 5 51 9 58 6 9 1 48 10 2 7 0.55 - 34 0 0 9 29 8 1 22 41.9 8 277 -71 9 2 57 9 55 14 8 58 54 9 59 15 0.55 - 33 0 0 9 25 33 1 22 42.7 7 277 -72 8 59 20 9 51 39 8 55 17 9 55 40 0.55 - 32 0 0 9 21 14 1 22 43.4 6 277 -72 8 55 0 9 47 22 8 50 57 9 51 23 0.56 - 31 0 0 9 16 13 1 22 44.0 5 278 -73 8 49 58 9 42 22 8 45 55 9 46 23 0.57 - 30 0 0 9 10 30 1 22 44.5 4 278 -74 8 44 13 9 36 40 8 40 10 9 40 42 0.58 - 29 0 0 9 4 4 1 22 44.8 3 278 -74 8 37 45 9 30 16 8 33 41 9 34 18 0.60 - 28 0 0 8 56 55 1 22 45.0 2 278 -75 8 30 34 9 23 9 8 26 30 9 27 11 0.65 - 27 0 0 8 49 4 1 22 45.2 1 278 -75 8 22 41 9 15 20 8 18 36 9 19 22 0.89 Uncertainty in time = +/- 1 secs Prediction of 2022 Dec 1.1 Data for the target star ------------------------ * name: TYC 0613-00471-1 * constellation : Pisces * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 01 15 42.9214 DE: +08 00 13.072 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 01 15 42.9211 DE: +08 00 13.070 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.6 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (680) Genoveva asteroid class: approx. diameter [km]: 86 approx. diameter ["]: 0.037 distance from Earth [AU]: 3.21390 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#61 date of fit: 2022 Nov 22 source of used astrometry: MPC, JPL number of used observations: 0 number of rejected observations: 0 time covered by the observations: 1800 Jan 01 - 1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.012", 0.003", 47.204° remarks: * orbital elements for (680)Genoveva : Mean anomaly = 80.6216987050 deg Arg. of pericenter = 245.8101546852 deg Long. of node = 37.9508416160 deg Inclination = 17.5210552966 deg Eccentricity = 0.2959357928 Semimajor axis = 3.1437563038 AU Perihelion dist = 2.2134062897 AU Mag: H = 9.51, G = 0.15 Epoch of elements : MJD 59961.05416667 TDT (2023 Jan 17.0542) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#612022Nov22,4.50,2023,1,17,1.296679,0.273627,-0.370993,8.657406,6.341388,0.005599,0.002269,0.000000,0.000000 -116.4359,8.1242,163.01,-20.83,False TYC 0613-00471-1,1.26192263,8.0036314,0.00,10.56,0.00,0.0,0,,1.28177636,8.1242278,5.00,0.00,0,0,0 680,Genoveva,15.55,85.5,3.2139,0,0,1.596,17.35,,4.8,0 0,80.4353,2023,1,16,245.8102,37.9508,17.5211,0.29594,3.14376,2.21341,9.53,5.0,0.15 1.077,0.0117,0.0025,47,0.0028,Known errors,-1.00,-1,-1,-1 20230117_0471-1,59914.09 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Dec 01, 02:13 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org